CN202067621U - Potentiometer operating mechanism for well drilling - Google Patents
Potentiometer operating mechanism for well drilling Download PDFInfo
- Publication number
- CN202067621U CN202067621U CN2011201797520U CN201120179752U CN202067621U CN 202067621 U CN202067621 U CN 202067621U CN 2011201797520 U CN2011201797520 U CN 2011201797520U CN 201120179752 U CN201120179752 U CN 201120179752U CN 202067621 U CN202067621 U CN 202067621U
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- CN
- China
- Prior art keywords
- potentiometer
- transmission shaft
- power transmission
- adjustment seat
- block
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- Expired - Lifetime
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Abstract
The utility model relates to a potentiometer operating mechanism for well drilling. The potentiometer operating mechanism comprises a potentiometer, a transmission shaft, an adjustment seat and a handwheel, wherein a zero position adjusting plate for defining the zero resistance value limiting position of the potentiometer is sleeved on an adjusting rod for adjusting the resistance value of the potentiometer, the transmission shaft is inserted into a transmission shaft hole of the adjustment seat, and two ends of the transmission shaft extend out of the adjustment seat; the front end of the adjusting rod is fixedly connected with a stop block, the front end of the stop block is connected with the transmission shaft, and the handwheel is mounted at the front end of the transmission shaft; a counter bore is formed on the adjustment seat on the end surface facing to the stop block, a spring is arranged in the counter bore and sleeved on the transmission shaft, and two ends of the spring are respectively supported on the end surface of the stop block and the bottom wall of the counter bore; and the free end of the zero position adjusting plate is fixed on the front end surface of the adjustment seat through an adjusting plate screw, a plurality of threaded holes are formed on the front end surface of the adjustment seat and distributed around the axis of the transmission shaft in a fan-shaped manner, and the adjusting plate screw is screwed in one of the threaded holes. The operating mechanism provided by the utility model can accurately control the resistance value of the potentiometer, and the potentiometer has low probability of damage.
Description
Technical field
The utility model relates to a kind of drilling well potentiometer, particularly a kind of drilling well potentiometer operating mechanism.
Background technology
The drilling well control system need be used potentiometer, and potentiometer comprises the adjusting rod of potentiometer body and regulator potentiometer resistance, clockwise rotates adjusting rod, can make potentiometer resistance become big; Otherwise, rotating counterclockwise adjusting rod, potentiometer resistance diminishes.Present operation all is directly to twist the resistance that adjusting rod comes regulator potentiometer by the operative employee.Because adjusting rod is more tiny, operative employee dynamics and anglec of rotation in adjustment process are not easy control, potentiometer resistance is regulated the improper accurate control that will influence drilling well, and the excessive potentiometer that causes easily of exerting oneself damages, and maintenance and replacing all will influence the efficient of drilling well.
The utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of drilling well potentiometer operating mechanism is provided, the operative employee can be accurately the resistance of regulator potentiometer reliably.
For solving above technical problem, a kind of drilling well potentiometer operating mechanism provided by the utility model, comprise potentiometer, described potentiometer comprises the adjusting rod of potentiometer body and regulator potentiometer resistance, be set with the zero-bit adjustable plate that limits potentiometer zero resistance extreme position on the circumference of described adjusting rod, also comprise power transmission shaft, adjustment seat and handwheel, described adjustment seat is provided with and the suitable transmission axis hole of described power transmission shaft size, and described power transmission shaft is inserted in the described transmission axis hole and stretch out from described adjustment seat at two ends; The front end of described adjusting rod is inserted in the block and with block fixedlys connected, and the front end of described block links to each other with described power transmission shaft, and described handwheel is installed in the front end of power transmission shaft; Described adjustment seat is provided with counterbore towards the end face of described block, is provided with spring in the described counterbore, and described spring housing is supported on respectively on block end face and the counterbore diapire on the described power transmission shaft and two ends; The free end of described zero-bit adjustable plate passes through the adjustable plate screw on the front end face of described adjustment seat, the front end face of described adjustment seat is provided with a plurality of screwed holes, each screwed hole is that the center is fan-shaped distribution with the axis of described power transmission shaft, and described adjustable plate screw threads is connected in certain described screwed hole.
With respect to prior art, the utility model has been obtained following beneficial effect: rotate handwheel, handwheel drives the power transmission shaft rotation, and power transmission shaft rotates by the adjusting rod that block drives potentiometer, makes the resistance of potentiometer adjusted; The operative employee holds the handwheel rotation and is convenient to operation on the one hand, turns over same angle on the other hand, and the traveled distance of handwheel is big more a lot of than adjusting rod, is convenient to accurate control; Power transmission shaft is supported in the adjustment seat, and the grip of handwheel suffered hand in rotation process is born by adjustment seat, can not injure potentiometer; Spring is supported between the counterbore diapire of block and adjustment seat, makes handwheel that certain resistance be arranged when rotating, and can prevent the potentiometer circular runout simultaneously; The adjustable plate screw threads is connected in the different screwed holes, can change the angle of zero-bit adjustable plate.
As improvement of the present utility model, the zero-bit switch is installed on the front end face of described adjustment seat, described block is the cylinder that has an axis with described power transmission shaft, the periphery of described block is parallel to the plane of drive shaft axis and clips one section circular arc, and the touch panel of described zero-bit switch stretches out and contacts on the outer peripheral face at block to described block direction.The periphery of block is clipped one section circular arc, be seen as large semicircle from cross-sectional direction, the touch panel of zero-bit switch is resisted against on the periphery of block, this moment, the rotation of block can not make touch panel action, and when block rotates to by the plane after cutting towards the zero-bit switch, touch panel will stretch out to the block direction, thereby trigger the zero-bit switch motion, cross this section, touch panel is pushed back by the periphery of block, and the zero-bit switch resets.
As further improvement of the utility model, be connected with the backstay that limits potentiometer maximum value position on the circumference of described power transmission shaft front end, described backstay is perpendicular to described power transmission shaft and between the front end face of described handwheel and described adjustment seat.When the adjusting rod of potentiometer rotates to the maximum value position, be installed on backstay on the power transmission shaft and will run into stopping means and be able to spacing.
As another improvement of the present utility model, the hole wall of described transmission axis hole is provided with the positioning screw hole that intersects vertically with the transmission axis hole, be connected with dog screw in the described positioning screw hole, the front end of described dog screw is provided with pointed projection, in the corresponding pit, the phase place at described pit place and the mid point of described potentiometer resistance adjustable range are suitable on the described power transmission shaft of described pointed projection embedding.When potentiometer was positioned at the mid point of resistance adjustable range, the pointed projection of dog screw front end embedded on the power transmission shaft in the corresponding pit, and certain positioning action is arranged on the one hand, and the operative employee is held in and can feels mid point on the handwheel on the other hand; Because pit is very little very shallow, slightly firmly rotates handwheel, the pressure that power transmission shaft will overcome holding screw continues rotation.
As another further improvement of the present utility model, also be provided with the tank filler sleeve that intersects vertically with the transmission axis hole on the hole wall of described transmission axis hole, the port of described tank filler sleeve is equipped with oil nozzle.Can in the transmission axis hole, refuel by oil nozzle, make the rotation of power transmission shaft more flexible.
Description of drawings
Fig. 1 is the structural representation of the utility model drilling well with the potentiometer operating mechanism.
Fig. 2 is along the cutaway view of A-A among Fig. 1.
Fig. 3 is along the cutaway view of B-B among Fig. 1.
Among the figure: 1 potentiometer; The 1a adjusting rod; 2 zero-bit adjustable plates; 3 blocks; 4 holding screws; 5 power transmission shafts; 6 adjustment seats; The 6a screwed hole; 7 adjustable plate screws; 8 zero-bit switches; The 8a touch panel; 9 springs; 10 handwheels; 11 backstays; 12 dog screws; 13 oil nozzles.
Embodiment
As shown in Figure 1, drilling well of the present utility model comprises potentiometer 1, power transmission shaft 5, adjustment seat 6 and handwheel 10 with the potentiometer operating mechanism, potentiometer 1 comprises the adjusting rod 1a of potentiometer body and regulator potentiometer resistance, be set with the zero-bit adjustable plate 2 that limits potentiometer zero resistance extreme position on the circumference of adjusting rod 1a, adjustment seat 6 is provided with and the suitable transmission axis hole of power transmission shaft 5 sizes, and power transmission shaft 5 is inserted in the transmission axis hole and stretch out from adjustment seat 6 at two ends; The front end of adjusting rod is inserted in the block 3 and by holding screw 4 fixedlys connected with block 3, and the front end of block 3 and power transmission shaft 5 are connected as a single entity, and handwheel 10 is installed in the front end of power transmission shaft 5; Adjustment seat 6 is provided with counterbore towards the end face of block 3, is provided with spring 9 in the counterbore, and spring 9 is enclosed within on the power transmission shaft 5 and two ends are supported on respectively on block end face and the counterbore diapire; The free end of zero-bit adjustable plate 2 is fixed on the front end face of adjustment seat 6 by adjustable plate screw 7, be connected with the backstay 11 that limits potentiometer maximum value position on the circumference of power transmission shaft 5 front ends, backstay 11 is perpendicular to power transmission shaft 5 and between the front end face of handwheel 10 and adjustment seat 6.
As shown in Figure 2, the front end face of adjustment seat 6 is provided with a plurality of screwed hole 6a, and each screwed hole is that the center is fan-shaped distribution with the axis of power transmission shaft 5, and adjustable plate screw 7 is screwed in certain screwed hole.
Zero-bit switch 8 is installed on the front end face of adjustment seat 6, block 3 is the cylinder that has an axis with power transmission shaft 5, the periphery of block 3 is parallel to the plane of drive shaft axis and clips one section circular arc, and the touch panel 8a of zero-bit switch 8 stretches out and contacts on the outer peripheral face of block 3 to the block direction.
As shown in Figure 3, the hole wall of transmission axis hole is provided with the positioning screw hole that intersects vertically with the transmission axis hole, be connected with dog screw 12 in the positioning screw hole, the front end of dog screw 12 is provided with pointed projection, in the corresponding pit, the mid point of the phase place at pit place and potentiometer resistance adjustable range is suitable on the pointed projection embedding power transmission shaft 5.Also be provided with the tank filler sleeve that intersects vertically with the transmission axis hole on the hole wall of transmission axis hole, tank filler sleeve is located on the position relative with positioning screw hole, and the port of tank filler sleeve is equipped with oil nozzle 13.
The periphery of block 3 is clipped one section circular arc, be seen as large semicircle from cross-sectional direction, the touch panel 8a of zero-bit switch 8 is resisted against on the periphery of block 3, this moment, the rotation of block 3 can not make touch panel 8a action, and when block 3 rotates to by the plane after cutting towards zero-bit switch 8, touch panel 8a will stretch out to the block direction, thereby trigger 8 actions of zero-bit switch, cross this section, touch panel 8a is pushed back by the periphery of block 3, and zero-bit switch 8 resets.
When potentiometer was positioned at the mid point of resistance adjustable range, the pointed projection of dog screw 12 front ends embeds on the power transmission shaft 5 located in the corresponding pit, slightly firmly rotates handwheel, and the pressure that power transmission shaft 5 will overcome holding screw continues rotation.When the adjusting rod of potentiometer rotates to the maximum value position, be installed on backstay 11 on the power transmission shaft 5 and will run into stopping means and be able to spacing.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (5)
1. drilling well potentiometer operating mechanism, comprise potentiometer, described potentiometer comprises the adjusting rod of potentiometer body and regulator potentiometer resistance, be set with the zero-bit adjustable plate that limits potentiometer zero resistance extreme position on the circumference of described adjusting rod, it is characterized in that: also comprise power transmission shaft, adjustment seat and handwheel, described adjustment seat is provided with and the suitable transmission axis hole of described power transmission shaft size, and described power transmission shaft is inserted in the described transmission axis hole and stretch out from described adjustment seat at two ends; The front end of described adjusting rod is inserted in the block and with block fixedlys connected, and the front end of described block links to each other with described power transmission shaft, and described handwheel is installed in the front end of power transmission shaft; Described adjustment seat is provided with counterbore towards the end face of described block, is provided with spring in the described counterbore, and described spring housing is supported on respectively on block end face and the counterbore diapire on the described power transmission shaft and two ends; The free end of described zero-bit adjustable plate passes through the adjustable plate screw on the front end face of described adjustment seat, the front end face of described adjustment seat is provided with a plurality of screwed holes, each screwed hole is that the center is fan-shaped distribution with the axis of described power transmission shaft, and described adjustable plate screw threads is connected in certain described screwed hole.
2. drilling well potentiometer operating mechanism according to claim 1, it is characterized in that: the zero-bit switch is installed on the front end face of described adjustment seat, described block is the cylinder that has an axis with described power transmission shaft, the periphery of described block is parallel to the plane of drive shaft axis and clips one section circular arc, and the touch panel of described zero-bit switch stretches out and contacts on the outer peripheral face at block to described block direction.
3. drilling well potentiometer operating mechanism according to claim 1 and 2, it is characterized in that: be connected with the backstay that limits potentiometer maximum value position on the circumference of described power transmission shaft front end, described backstay is perpendicular to described power transmission shaft and between the front end face of described handwheel and described adjustment seat.
4. drilling well potentiometer operating mechanism according to claim 1, it is characterized in that: the hole wall of described transmission axis hole is provided with the positioning screw hole that intersects vertically with the transmission axis hole, be connected with dog screw in the described positioning screw hole, the front end of described dog screw is provided with pointed projection, in the corresponding pit, the phase place at described pit place and the mid point of described potentiometer resistance adjustable range are suitable on the described power transmission shaft of described pointed projection embedding.
5. drilling well potentiometer operating mechanism according to claim 4 is characterized in that: also be provided with the tank filler sleeve that intersects vertically with the transmission axis hole on the hole wall of described transmission axis hole, the port of described tank filler sleeve is equipped with oil nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201797520U CN202067621U (en) | 2011-05-31 | 2011-05-31 | Potentiometer operating mechanism for well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201797520U CN202067621U (en) | 2011-05-31 | 2011-05-31 | Potentiometer operating mechanism for well drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202067621U true CN202067621U (en) | 2011-12-07 |
Family
ID=45061478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201797520U Expired - Lifetime CN202067621U (en) | 2011-05-31 | 2011-05-31 | Potentiometer operating mechanism for well drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202067621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116417208A (en) * | 2023-06-09 | 2023-07-11 | 成都宏明电子股份有限公司 | Initial position adjustable zeroing clamp for small hollow shaft angular displacement potentiometer |
-
2011
- 2011-05-31 CN CN2011201797520U patent/CN202067621U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116417208A (en) * | 2023-06-09 | 2023-07-11 | 成都宏明电子股份有限公司 | Initial position adjustable zeroing clamp for small hollow shaft angular displacement potentiometer |
| CN116417208B (en) * | 2023-06-09 | 2023-09-15 | 成都宏明电子股份有限公司 | Initial position adjustable zeroing clamp for small hollow shaft angular displacement potentiometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: OILFIELD CONSTRUCTION OFFICE, JIANGSU PETROLEUM EXPLORATION BUREAU Effective date: 20150907 Owner name: SINOPEC OILFIELD SERVICE CORPORATION Free format text: FORMER OWNER: SINOPEC GROUP Effective date: 20150907 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150907 Address after: 100029 Beijing Chaoyang District Hui Xin a No. twelve layer 6 Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: Jiangsu province Yangzhou City Wenhui Road 225009 No. 1 Patentee before: China Petrochemical Group Corp. Patentee before: China Petrochemical Corporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |